I would review the recording of the player aimbotting, and ask other admins to review it as well, to get as many different perspectives as possible. If it turned out that I was wrong I would apologize to the player for the wrongful ban, and overturn it.

If you wanna climb a ladder on a water towerThen we'll kick it with the stars for a couple hoursIf you wanna then we're gonna get way up highIf you wanna dip your toes where the water stops